ConStPtr                 Pointer to CON: Status Driver

 ConStPtr                                                                [TP]

    Turbo Pascal supports the predefined device CON:, both as a filename
    and as a predefined file variable. Input status of this device is
    handled through the function ConSt : Boolean, which simply makes
    MS-DOS system call 11. This is the function called by the function
    Keypressed. You can declare your own function ConSt, then assign its
    to ConStPtr; this makes your function the new status test routine for
    the CON: device.

  -------------------------------- Example ---------------------------------

           ConStPtr := Ptr(MyConSt);